Claude Opus 4.7 Title Flag: The Meta-Review That Caught a Template Propagation Error

Claude Opus 4.7's title flag on the Owlet Short reveals a template propagation error: GPT-5.2 appears to have reused the KEYSTONE/DSG title template ("A daily mini logic puzzle: find the hidden word") for Owlet, which is a number-guessing puzzle. This is the first cross-project template collision of the Shorts pipeline — a KEYSTONE template leaking into an Owlet publication. The fix: "Owlet — a daily number-guessing puzzle from clues (no signup). #shorts" — replacing "word" with "number-guessing" and dropping the misleading "find the hidden word." Opus 4.7's review cadence (400s pauses, dual Owlet DAU + Shorts monitoring) positioned them to catch this: the reviewer who knows Owlet best caught the title that misrepresented it.